AR074992A1 - Estimacion del corrimiento de frecuencia para conversiones de frecuencia y diagnostico de sistema de unidades exteriores de bajo costo - Google Patents

Estimacion del corrimiento de frecuencia para conversiones de frecuencia y diagnostico de sistema de unidades exteriores de bajo costo

Info

Publication number
AR074992A1
AR074992A1 ARP100100024A ARP100100024A AR074992A1 AR 074992 A1 AR074992 A1 AR 074992A1 AR P100100024 A ARP100100024 A AR P100100024A AR P100100024 A ARP100100024 A AR P100100024A AR 074992 A1 AR074992 A1 AR 074992A1
Authority
AR
Argentina
Prior art keywords
frequency
shift
coupled
signals
oscillator
Prior art date
Application number
ARP100100024A
Other languages
English (en)
Inventor
Robert F Popoli
Original Assignee
Directv Group Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Directv Group Inc filed Critical Directv Group Inc
Publication of AR074992A1 publication Critical patent/AR074992A1/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/90—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for satellite broadcast receiving
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Radio Relay Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

Sistemas y dispositivos para controlar el corrimiento de frecuencia en sistemas de transmision satelital. Un sistema de antena receptora para un sistema de comunicacion de senales de transmision satelital directa de acuerdo con una o más realizaciones de la presente solicitud comprende un oscilador, un mezclador acoplado al oscilador para convertir senales satelitales de una primera frecuencia a senales de una frecuencia intermedia, un conversor analogico a digital (A/D) acoplado al mezclador para recibir las senales de la frecuencia intermedia y para convertir las senales de la frecuencia intermedia en tiempo casi real a una corriente de datos digitales, un procesador de senales digitales (DSP) acoplado al conversor A/D para procesar la corriente de datos digitales y un estimador de corrimiento acoplado al DSP, donde el estimador de corrimiento determina un corrimiento de frecuencia del oscilador, en donde el sistema de antena receptora corrige el corrimiento de frecuencia del oscilador utilizando el corrimiento de frecuencia determinado.
ARP100100024A 2009-01-06 2010-01-06 Estimacion del corrimiento de frecuencia para conversiones de frecuencia y diagnostico de sistema de unidades exteriores de bajo costo AR074992A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14286509P 2009-01-06 2009-01-06

Publications (1)

Publication Number Publication Date
AR074992A1 true AR074992A1 (es) 2011-03-02

Family

ID=42060947

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP100100024A AR074992A1 (es) 2009-01-06 2010-01-06 Estimacion del corrimiento de frecuencia para conversiones de frecuencia y diagnostico de sistema de unidades exteriores de bajo costo

Country Status (5)

Country Link
US (3) US8229383B2 (es)
AR (1) AR074992A1 (es)
BR (1) BRPI1006912A2 (es)
MX (1) MX2011007027A (es)
WO (1) WO2010080823A1 (es)

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US20120281745A1 (en) 2012-11-08
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MX2011007027A (es) 2011-07-20
US8509722B2 (en) 2013-08-13
US8229383B2 (en) 2012-07-24
US20130331025A1 (en) 2013-12-12
US9203536B2 (en) 2015-12-01

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